<template>
  <!--  scrollToFirstError="smooth" -->
  <t-form :data="formData" :rules="rules" ref="form" @reset="onReset" @submit="onSubmit">
    <t-form-item label="用户名" help="这里可以展示一段说明文字" name="account">
      <t-input v-model="formData.account" placeholder="请输入用户名"></t-input>
    </t-form-item>
    <t-form-item label="年龄" name="age">
      <t-input-number v-model="formData.age" placeholder="年龄" />
    </t-form-item>
    <t-form-item label="籍贯" name="region">
      <t-cascader v-model="formData.region" placeholder="请选择籍贯" :options="regionOptions" clearable filterable />
    </t-form-item>
    <t-form-item label="密码" name="password">
      <t-input type="password" v-model="formData.password" placeholder="请输入密码"></t-input>
    </t-form-item>
    <t-form-item label="邮箱" name="email">
      <t-input v-model="formData.email" placeholder="请输入邮箱"></t-input>
    </t-form-item>
    <t-form-item label="性别" name="gender">
      <t-radio-group v-model="formData.gender">
        <t-radio value="male">男</t-radio>
        <t-radio value="female">女</t-radio>
      </t-radio-group>
    </t-form-item>
    <t-form-item label="课程" name="course">
      <t-checkbox-group v-model="formData.course" :options="courseOptions"></t-checkbox-group>
    </t-form-item>
    <t-form-item label="学院" name="college">
      <t-select v-model="formData.college" class="demo-select-base" clearable filterable placeholder="请选择所在学院">
        <t-option v-for="(item, index) in options" :value="item.value" :label="item.label" :key="index">
          {{ item.label }}
        </t-option>
      </t-select>
    </t-form-item>
    <t-form-item
      label="入学时间"
      name="date"
      :rules="[
        { required: true, message: '此项必填' },
        { date: { delimiters: ['/', '-', '.'] }, message: '日期格式有误' },
      ]"
    >
      <t-date-picker v-model="formData.date"></t-date-picker>
    </t-form-item>
    <t-form-item label="个人网站" name="content.url">
      <t-input v-model="formData.content.url" placeholder="请输入个人网站地址"></t-input>
    </t-form-item>
    <t-form-item label="个人简介" help="请用一句话介绍自己" name="description">
      <t-textarea v-model="formData.description" placeholder="请用一句话介绍自己"></t-textarea>
    </t-form-item>
    <t-form-item label="兴趣爱好" name="hobby">
      <t-tree-select
        v-model="formData.hobby"
        filterable
        :data="hobbyOptions"
        placeholder="请选择你的兴趣爱好"
      ></t-tree-select>
    </t-form-item>

    <t-form-item style="margin-left: 100px">
      <t-space size="10px">
        <t-button theme="primary" type="submit">提交</t-button>
        <t-button theme="default" variant="base" type="reset">重置</t-button>
        <t-button theme="default" variant="base" @click="handleClear">清空校验结果</t-button>
      </t-space>
    </t-form-item>
  </t-form>
</template>
<script setup>
import { MessagePlugin } from 'tdesign-vue';
import { ref, reactive } from 'vue';

const INITIAL_DATA = {
  account: '',
  password: '',
  description: '',
  age: undefined,
  region: '',
  email: '',
  gender: '',
  college: '',
  date: '',
  content: {
    url: '',
  },
  hobby: '',
  course: [],
};
const form = ref();
const formData = reactive({
  ...INITIAL_DATA,
});
const hobbyOptions = ref([
  {
    label: '运动',
    value: 'sports',
    children: [
      {
        label: '足球',
        value: 'soccer',
      },
      {
        label: '篮球',
        value: 'basketball',
      },
    ],
  },
  {
    label: '娱乐',
    value: 'entertainment',
    children: [
      {
        label: '电影',
        value: 'movie',
      },
      {
        label: '旅游',
        value: 'trip',
      },
    ],
  },
]);
const regionOptions = ref([
  {
    label: '广东',
    value: '1',
    children: [
      {
        label: '深圳',
        value: '1.1',
      },
      {
        label: '广州',
        value: '1.2',
      },
    ],
  },
  {
    label: '湖南',
    value: '2',
    children: [
      {
        label: '长沙',
        value: '2.1',
      },
    ],
  },
]);
const courseOptions = ref([
  {
    label: '语文',
    value: '1',
  },
  {
    label: '数学',
    value: '2',
  },
  {
    label: '英语',
    value: '3',
  },
  {
    label: '体育',
    value: '4',
  },
]);
const options = ref([
  {
    label: '计算机学院',
    value: '1',
  },
  {
    label: '软件学院',
    value: '2',
  },
  {
    label: '物联网学院',
    value: '3',
  },
]);
// FormItem.rules 优先级大于 Form.rules
const rules = reactive({
  account: [
    {
      required: true,
      message: '姓名必填',
      type: 'error',
      trigger: 'blur',
    },
    // trigger 默认为 'change'
    {
      required: true,
      message: '姓名必填',
      type: 'error',
    },
    {
      whitespace: true,
      message: '姓名不能为空',
    },
    {
      min: 2,
      message: '至少需要两个字符，一个中文等于两个字符',
      type: 'warning',
      trigger: 'blur',
    },
    {
      max: 10,
      message: '姓名字符长度超出',
      type: 'warning',
      trigger: 'blur',
    },
  ],
  description: [
    {
      validator: (val) => val.length >= 5,
      message: '至少 5 个字，中文长度等于英文长度',
      type: 'warning',
    },
    {
      validator: (val) => val.length < 20,
      message: '不能超过 20 个字，中文长度等于英文长度',
      type: 'warning',
    },
  ],
  age: [
    {
      required: true,
      message: '年龄必填',
      type: 'error',
    },
  ],
  region: [
    {
      required: true,
      message: '籍贯必填',
      type: 'error',
    },
  ],
  password: [
    {
      required: true,
      message: '密码必填',
      type: 'error',
    },
    {
      len: 8,
      message: '请输入 8 位密码',
      type: 'warning',
    },
    {
      pattern: /[A-Z]+/,
      message: '密码必须包含大写字母',
      type: 'warning',
    },
  ],
  college: [
    {
      required: true,
      message: '此项必填',
    },
  ],
  email: [
    {
      required: true,
      message: '邮箱必填',
    },
    {
      email: {
        ignore_max_length: true,
      },
      message: '请输入正确的邮箱地址',
    },
  ],
  gender: [
    {
      required: true,
      message: '性别必填',
    },
  ],
  course: [
    {
      required: true,
      message: '课程必填',
    },
    {
      validator: (val) => val.length <= 2,
      message: '最多选择 2 门课程',
      type: 'warning',
    },
  ],
  hobby: [
    {
      required: true,
      message: '爱好必填',
      type: 'error',
    },
  ],
  'content.url': [
    {
      required: true,
      message: '个人网站必填',
    },
    {
      url: {
        protocols: ['http', 'https', 'ftp'],
        require_protocol: true,
      },
      message: '请输入正确的个人主页',
    },
  ],
});
const onReset = () => {
  MessagePlugin.success('重置成功');
  console.log('formData', formData);
};
const onSubmit = ({ validateResult, firstError }) => {
  if (validateResult === true) {
    MessagePlugin.success('提交成功');
  } else {
    console.log('Errors: ', validateResult);
    MessagePlugin.warning(firstError);
  }
};
const handleClear = () => {
  form.value.clearValidate();
};
</script>

<style scoped>
.demo-select-base {
  width: 300px;
}
</style>
